85067947 has 4 divisors (see below), whose sum is σ = 85188640. Its totient is φ = 84947256.

The previous prime is 85067929. The next prime is 85067951. The reversal of 85067947 is 74976058.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85067947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85067897 and 85067906.

It is not an unprimeable number, because it can be changed into a prime (85067347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59283 + ... + 60700.

It is an arithmetic number, because the mean of its divisors is an integer number (21297160).

Almost surely, 2^85067947 is an apocalyptic number.

85067947 is a deficient number, since it is larger than the sum of its proper divisors (120693).

85067947 is a wasteful number, since it uses less digits than its factorization.

85067947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120692.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 85067947 is about 9223.2286646272. The cubic root of 85067947 is about 439.8000934182.

The spelling of 85067947 in words is "eighty-five million, sixty-seven thousand, nine hundred forty-seven".